Derek Johnson

Near-Field Characterization of Methane Emission Variability from a Compressor Station Using a Model Aircraft

Brian Nathan, Levi M. Golston, A. S. O’Brien et al. · Environmental Science & Technology · 2015 · 157 citations

Engineering, Earth Sciences, Petroleum Engineering +13

Greenhouse gas emissions and fuel efficiency of in-use high horsepower diesel, dual fuel, and natural gas engines for unconventional well development

Derek Johnson, Robert Heltzel, Andrew C. Nix et al. · Applied Energy · 2017 · 75 citations · Full text

Engineering, Environmental Engineering, Mechanical Engineering +17

Pump-to-Wheels Methane Emissions from the Heavy-Duty Transportation Sector

Nigel Clark, David L. McKain, Derek Johnson et al. · Environmental Science & Technology · 2016 · 60 citations · Full text

Engineering, Automotive Engineering, Environmental Engineering +17

Methane Emissions from Leak and Loss Audits of Natural Gas Compressor Stations and Storage Facilities

Derek Johnson, April Covington, Nigel Clark · Environmental Science & Technology · 2015 · 53 citations

Engineering, Environmental Engineering, Environmental Sciences +17

Low pressure direct injection strategies effect on a small SI natural gas two-stroke engine’s energy distribution and emissions

Mahdi Darzi, Derek Johnson, Chris Ulishney et al. · Applied Energy · 2018 · 40 citations · Full text

Engineering, Aerospace Engineering, Mechanical Engineering +12